MOPAR 68377858AB Engine Controller Module

( Part Type: Engine Controller Module ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Jeep ), ( Year: 2018 2019 2020 2021 ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included ), ( Replaces Part Number: 68377858aa ), ( Manufacturer Part Number: 68377858AB )

Review MOPAR Genuine Engine Controller Module fits 2018–2021

The Mopar 68377858AB Engine Controller Module is a sophisticated electronic component designed to enhance the performance and fuel efficiency of select Chrysler, Dodge, and Jeep vehicles equipped with 5.7L and 6.1L HEMI engines. This module is engineered to work in harmony with the Powertrain Control Module (PCM) and other engine sensors to optimize engine operation.

The 68377858AB Engine Controller Module is a plug-and-play device, meaning it can be easily installed without the need for any engine modifications or professional tuning. It is designed to replace the factory engine control module, providing an upgrade in functionality and performance.

This module utilizes advanced engine calibration strategies to optimize fuel delivery, ignition timing, and other engine parameters for improved power and torque. It also offers improved cold-start performance, making it an excellent choice for drivers in colder climates.

One of the key features of the Mopar 68377858AB Engine Controller Module is its adjustable power settings. It offers multiple power levels, allowing drivers to choose the right balance of power and fuel efficiency for their driving style and preferences. This is particularly useful for drivers who tow heavy loads or frequently travel on the highway, as they can select a higher power level for improved performance.

Another benefit of this module is its compatibility with various performance upgrades, such as cold air intakes, exhaust systems, and high-performance chips. By working in conjunction with these modifications, the engine controller module can help unlock even more power and torque from the engine.

The Mopar 68377858AB Engine Controller Module is designed to be durable and reliable, with a robust construction that can withstand the rigors of daily driving. It is also covered by a limited lifetime warranty, giving customers peace of mind and protection against any manufacturing defects.

In summary, the Mopar 68377858AB Engine Controller Module is an excellent upgrade for drivers of Chrysler, Dodge, and Jeep vehicles with 5.7L and 6.1L HEMI engines. It offers improved performance, fuel efficiency, and cold-start capability, as well as adjustable power settings and compatibility with various performance upgrades. With its plug-and-play design and limited lifetime warranty, it is a smart investment for any HEMI enthusiast looking to get the most out of their vehicle.

Mopar 68377858AB Engine Controller Module: A Valuable Investment or an Unnecessary Expense?

The Mopar 68377858AB engine controller module is an aftermarket electronic control unit designed for select Jeep and Dodge vehicles. This device aims to improve vehicle performance and enhance the driving experience by optimizing engine parameters. In this analysis, we will discuss the potential pros and cons of investing in this engine controller module.

1. Improved Performance: The Mopar 68377858AB module allows for increased horsepower and torque, resulting in better acceleration and overall performance.

2. Customizable Settings: Users can customize the engine settings according to their preferences, allowing them to tailor the driving experience to their specific needs.

3. Enhanced Fuel Economy: Some users have reported improvements in fuel economy due to the more efficient combustion process and optimization of engine parameters.

4. Improved Engine Durability: By optimizing engine performance, the module can help reduce engine wear and tear, potentially increasing the lifespan of the engine.

5. Compatibility with Aftermarket Exhaust Systems: The engine controller module is designed to work seamlessly with aftermarket exhaust systems, enhancing the performance gains from those modifications.

1. Cost: The Mopar 68377858AB engine controller module can be a significant investment, with prices ranging from $400 to $800 or more.

2. Complex Installation: The installation process can be complex and time-consuming, requiring professional assistance or extensive DIY knowledge.

3. Potential Compatibility Issues: The module may not be compatible with all vehicle models and may require additional modifications or adaptors to function correctly.

4. Risk of check engine lights and diagnostic codes: Installing this module can trigger check engine lights and diagnostic codes due to the modifications made to the engine parameters.

5. Unintended Consequences: In some cases, the engine controller module may cause unintended consequences, such as increased engine noise or vibrations.

In conclusion, the Mopar 68377858AB engine controller module offers several benefits, including improved performance, customizable settings, enhanced fuel economy, and improved engine durability. However, it also comes with potential drawbacks, such as a high cost, complex installation, potential compatibility issues, and the risk of check engine lights and unintended consequences.

If you are an avid off-roader or performance enthusiast, and you are willing to invest in a high-performance engine controller module, the Mopar 68377858AB may be an excellent choice for you. However, if you are on a budget, or if the potential cons outweigh the pros for your specific use case, it may be worth considering alternative options or waiting for advancements in technology that may offer similar benefits at a lower cost. Always consult with a trusted mechanic or dealer to ensure compatibility and proper installation before making a purchase.

Details:

Parts must be resalable and in the original packaging. Some manufacturer-supplied photos indicate how many come in a package. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 68377858ab prices

• $686.80-$734.50

specifications ecusrush:

• for makes: Mopar
• for years: 2018-2021
• part type: Engine Controller Module
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Jeep
• year: 2018 2019 2020 2021
• parts included: Only Part Reference 1 On The Diagram Is Included
• replaces part number: 68377858aa
• manufacturer part number: 68377858AB

payments ecusrush:

• other
• credit card: Visa
• wallet: Apple-pay

offer ecusrush:

• options: Ship-to-home
• started: January 24, 2026
• quantity: 1
• sold: 0
• availability: In Stock

seller ecusrush:

• # reviews: 1175
• city: Glendale, Arizona
• rating: 99.7%

shipping ecusrush:

• service: Standard, Expedited, Overnight
• transit: 4-10 Days
• cost: $0.00
• type: Fixed
• class: Standard, Expedited, One-day

general ecusrush:

• condition: New
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

returns ecusrush:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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